Share This

Related Videos

NASA 360: Stories of the Solar System: Comets and Asteroids

NASA (July 15, 2013) &#151; Caleb: If you want to look back in time to the beginning of our solar system, look no further than comets and asteroids.
Molly: These solar system time capsules have been giving away secrets of not only how our solar system formed, but also the planets that call it home.
Dr. Paul Chodas: What are the materials that form the solar system? What did it look like originally?
Lindley Johnson: Asteroids and comets are the leftover material that made up the solar system.

United Nations Developing Asteroid Defense Plan

NASA EDGE: Planetary Defense

NASA (July 25, 2013) &#151; What if one of the millions of asteroids in our solar system was on a collision course with the Earth? What would we do? How would we react? Hundreds of the world’s top engineers and scientists specializing in planetary defense have come together to tackle these important questions. Discover the latest alternatives to Armageddon on NASA EDGE.

This Week @ NASA, June 14, 2013

NASA (June 14, 2013) &#151; The NASA Science Day on Capitol Hill provided an opportunity to showcase for members of Congress and the public, the work and accomplishments of the agency’s Science programs. Associate Administrator for Science John Grunsfeld was among NASA officials at the event, which included exhibits and presentations, on the agency’s work with asteroids and other Near Earth Objects.

Dec. 3, 2008 — Astrophysicists agree that the best method for avoiding a catastrophic collision would be to change the path of the asteroid heading toward our planet. But to do that, scientists need to be able to ... full story

July 6, 2004 — One of ESA’s most ambitious current projects has the aim of compiling the most precise map of one thousand million stars in our Galaxy. Gaia, a spacecraft which will carry two of the most sensitive ... full story

Aug. 4, 2009 — NASA's Jet Propulsion Laboratory is introducing a new Web site that will provide a centralized resource for information on near-Earth objects -- those asteroids and comets that can approach ... full story

Nov. 19, 2013 — For nearly as long as astronomers have been able to observe asteroids, a question has gone unanswered: Why do the surfaces of most asteroids appear redder than meteorites -- the remnants of asteroids ... full story

Jan. 17, 2000 — The number of "near-Earth asteroids" that have a chance, though miniscule, of colliding with Earth this century is half what was originally estimated, a Yale researcher says. ... full story

ScienceDaily features breaking news and videos about the latest discoveries in health, technology, the environment, and more -- from major news services and leading universities, scientific journals, and research organizations.